commit 484a52a7ac45e51237deb6b971e6548c5768b2b4
Author: Leszek Koltunski <leszek@distoretedandroid.org>
Date:   Thu Dec 15 17:02:54 2016 +0000

    Comment!

diff --git a/src/main/java/org/distorted/library/DistortedFramebuffer.java b/src/main/java/org/distorted/library/DistortedFramebuffer.java
index df4850b..41123c9 100644
--- a/src/main/java/org/distorted/library/DistortedFramebuffer.java
+++ b/src/main/java/org/distorted/library/DistortedFramebuffer.java
@@ -274,6 +274,7 @@ public class DistortedFramebuffer
  * Must be called from a thread holding OpenGL Context
  *
  * @param fbo The Framebuffer whose COLOR attachment 0 will be used as input texture.
+ *            Please note that rendering from an FBO to itself is unsupported by OpenGL!
  * @param grid Class descendant from GridObject
  * @param effects The DistortedEffects to use when rendering
  * @param time Current time, in milliseconds.